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<a name="Option-Index"></a>
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<p>
Next: <a href="Concept-Index.html#Concept-Index" accesskey="n" rel="next">Concept Index</a>, Previous: <a href="Index-of-Directives.html#Index-of-Directives" accesskey="p" rel="prev">Index of Directives</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index-of-Directives.html#Index-of-Directives" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="Option-Index-1"></a>
<h2 class="unnumbered">Option Index</h2>
<p>CPP&rsquo;s command-line options and environment variables are indexed here
without any initial &lsquo;<samp>-</samp>&rsquo; or &lsquo;<samp>--</samp>&rsquo;.
</p><table><tr><th valign="top">Jump to: &nbsp; </th><td><a class="summary-letter" href="#Option-Index_op_letter-A"><b>A</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-C"><b>C</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-D"><b>D</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-F"><b>F</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-H"><b>H</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-I"><b>I</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-M"><b>M</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-N"><b>N</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-O"><b>O</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-P"><b>P</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-R"><b>R</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-S"><b>S</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-T"><b>T</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-U"><b>U</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-W"><b>W</b></a>
 &nbsp; 
</td></tr></table>
<table class="index-op" border="0">
<tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> Section</th></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-A">A</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-A"><code>A</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-C">C</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-C"><code>C</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-CC"><code>CC</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-CPATH"><code>CPATH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-CPLUS_005fINCLUDE_005fPATH"><code>CPLUS_INCLUDE_PATH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-C_005fINCLUDE_005fPATH"><code>C_INCLUDE_PATH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-D">D</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-D"><code>D</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-d"><code>d</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-dD"><code>dD</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-DEPENDENCIES_005fOUTPUT"><code>DEPENDENCIES_OUTPUT</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-dI"><code>dI</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-dM"><code>dM</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-dN"><code>dN</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-dU"><code>dU</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-F">F</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fdebug_002dcpp"><code>fdebug-cpp</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fdirectives_002donly"><code>fdirectives-only</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fdollars_002din_002didentifiers"><code>fdollars-in-identifiers</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fexec_002dcharset"><code>fexec-charset</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fextended_002didentifiers"><code>fextended-identifiers</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-finput_002dcharset"><code>finput-charset</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fmacro_002dprefix_002dmap"><code>fmacro-prefix-map</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fmax_002dinclude_002ddepth"><code>fmax-include-depth</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fno_002dcanonical_002dsystem_002dheaders"><code>fno-canonical-system-headers</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fno_002dworking_002ddirectory"><code>fno-working-directory</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fpreprocessed"><code>fpreprocessed</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-ftabstop"><code>ftabstop</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-ftrack_002dmacro_002dexpansion"><code>ftrack-macro-expansion</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fwide_002dexec_002dcharset"><code>fwide-exec-charset</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-fworking_002ddirectory"><code>fworking-directory</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-H">H</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-H"><code>H</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-I">I</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-I"><code>I</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-I_002d"><code>I-</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-idirafter"><code>idirafter</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-imacros"><code>imacros</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-imultilib"><code>imultilib</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-include"><code>include</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-iprefix"><code>iprefix</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-iquote"><code>iquote</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-isysroot"><code>isysroot</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-isystem"><code>isystem</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-iwithprefix"><code>iwithprefix</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-iwithprefixbefore"><code>iwithprefixbefore</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-M">M</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-M"><code>M</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MD"><code>MD</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MF"><code>MF</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MG"><code>MG</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MM"><code>MM</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MMD"><code>MMD</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MP"><code>MP</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MQ"><code>MQ</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-MT"><code>MT</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-N">N</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-nostdinc"><code>nostdinc</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-nostdinc_002b_002b"><code>nostdinc++</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-O">O</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-OBJC_005fINCLUDE_005fPATH"><code>OBJC_INCLUDE_PATH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-P">P</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-P"><code>P</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-pthread"><code>pthread</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-R">R</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-remap"><code>remap</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-S">S</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-SOURCE_005fDATE_005fEPOCH"><code>SOURCE_DATE_EPOCH</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td></td><td valign="top"><a href="Environment-Variables.html#index-SUNPRO_005fDEPENDENCIES"><code>SUNPRO_DEPENDENCIES</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-T">T</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-traditional"><code>traditional</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-traditional_002dcpp"><code>traditional-cpp</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-trigraphs-1"><code>trigraphs</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-U">U</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-U"><code>U</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-undef"><code>undef</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th><a name="Option-Index_op_letter-W">W</a></th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wcomment"><code>Wcomment</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wcomments"><code>Wcomments</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wendif_002dlabels"><code>Wendif-labels</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wexpansion_002dto_002ddefined"><code>Wexpansion-to-defined</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wno_002dendif_002dlabels"><code>Wno-endif-labels</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wno_002dundef"><code>Wno-undef</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wtrigraphs"><code>Wtrigraphs</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wundef"><code>Wundef</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td></td><td valign="top"><a href="Invocation.html#index-Wunused_002dmacros"><code>Wunused-macros</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
</table>
<table><tr><th valign="top">Jump to: &nbsp; </th><td><a class="summary-letter" href="#Option-Index_op_letter-A"><b>A</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-C"><b>C</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-D"><b>D</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-F"><b>F</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-H"><b>H</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-I"><b>I</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-M"><b>M</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-N"><b>N</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-O"><b>O</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-P"><b>P</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-R"><b>R</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-S"><b>S</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-T"><b>T</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-U"><b>U</b></a>
 &nbsp; 
<a class="summary-letter" href="#Option-Index_op_letter-W"><b>W</b></a>
 &nbsp; 
</td></tr></table>

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